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Finding the Fourth Proportional to 42,366, 63,549 and 11,201.25

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Solution

The fourth proportional to 42,366, 63,549 and 11,201.25 is: 16,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366 : 63,549 = 11,201.25 : x
  2. Step 2: Convert to fraction form
    42,366/63,549 = 11,201.25/x
  3. Step 3: Cross multiply
    42,366x = 63,549 × 11,201.25
  4. Step 4: Simplify right side
    42,366x = 711,828,236.25
  5. Step 5: Solve for x
    x = 711,828,236.25/42,366
  6. Step 6: Final answer
    x = 16,801.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.